/**
 * Created by Administrator on 2017/9/18.
 */
$(function(){
    $("header > .head_top > .wrapper > ul>li").on("mouseenter",function(){
        $(this).css("background","white")
    });
    $("header > .head_top > .wrapper > ul>li").on("mouseleave",function(){
        $(this).css("background","#f2f2f2")
    });
    $("header > .head_top > .wrapper > ul>li:first").on("mouseenter",function(){
        $(this).children("dl").stop().slideDown()
    });
    $("header > .head_top > .wrapper > ul>li:first").on("mouseleave",function(){
        $(this).children("dl").stop().slideUp()
    })
});